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Single Idea 2898

[filed under theme 2. Reason / E. Argument / 6. Conclusive Proof ]

Full Idea

What has first to have itself proved is of little value.

Gist of Idea

Anything which must first be proved is of little value

Source

Friedrich Nietzsche (Twilight of the Idols [1889], 1.05)

Book Ref

Nietzsche,Friedrich: 'Twilight of the Idols and The Anti-Christ', ed/tr. Hollingdale,R.J. [Penguin 1972], p.31

The 8 ideas with the same theme [securely establishing a result by precise defined steps]:

8623 Proof reveals the interdependence of truths, as well as showing their certainty [Euclid, by Frege]
1885 Proof moves from agreed premises to a non-evident inference [Sext.Empiricus]
8627 Leibniz is inclined to regard all truths as provable [Leibniz, by Frege]
17495 Proof aims to remove doubts, but also to show the interdependence of truths [Frege]
16878 We must be clear about every premise and every law used in a proof [Frege]
2898 Anything which must first be proved is of little value [Nietzsche]
19067 A successful proof requires recognition of truth at every step [Dummett]
17773 Proof shows that it is true, but also why it must be true [Mayberry]